Instrumental Duet Instrumental Duet,Piano - Digital Download SKU: A0.751417 Composed by Anonymous. Arranged by Joel Goodman. Contemporary. Score and parts. 2 pages. Joel Goodman #3866483. Published by Joel Goodman (A0.751417). An arrangement of the Polish folk song. Also made famous in the comedy Big Bang Theory. This arrangement is for a teacher and pupil ideally. Teacher playing secondo as the melody is all in the primo part.